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[Xen-devel] [patch 02/34] Xen-pv_ops: ignore vgacon if hardware not pres

To: Andi Kleen <ak@xxxxxx>
Subject: [Xen-devel] [patch 02/34] Xen-pv_ops: ignore vgacon if hardware not present
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 13 Mar 2007 16:30:19 -0700
Cc: Zachary Amsden <zach@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Alan <alan@xxxxxxxxxxxxxxxxxxx>
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Avoid trying to set up vgacon if there's no vga hardware present.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
From: Gerd Hoffmann <kraxel@xxxxxxx>
Cc: Alan <alan@xxxxxxxxxxxxxxxxxxx>

---
 drivers/video/console/vgacon.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

===================================================================
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -372,7 +372,8 @@ static const char *vgacon_startup(void)
        }
 
        /* VGA16 modes are not handled by VGACON */
-       if ((ORIG_VIDEO_MODE == 0x0D) ||        /* 320x200/4 */
+       if ((ORIG_VIDEO_MODE == 0x00) ||        /* SCREEN_INFO not initialized 
*/
+           (ORIG_VIDEO_MODE == 0x0D) ||        /* 320x200/4 */
            (ORIG_VIDEO_MODE == 0x0E) ||        /* 640x200/4 */
            (ORIG_VIDEO_MODE == 0x10) ||        /* 640x350/4 */
            (ORIG_VIDEO_MODE == 0x12) ||        /* 640x480/4 */

-- 


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